/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMCompiler/RigVMAST.h
Removes a parent from this expression this in consequence also removes this as a child from the parent
void RemoveParent ( [FRigVMExprAST](API\Plugins\RigVMDeveloper\RigVMCompiler\FRigVMExprAST) * InParent )